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  • Magnesium Sulfate Heptahydrate 2–4mm - China

    price: 800.00 Dollar US$

    Magnesium Sulfate Heptahydrate (2–4mm)

    CAS Number:

    • 10034-99-8 (MgSO₄·7H₂O)

    • 7487-88-9 (MgSO₄)

    Chemical Formula: MgSO₄ · nH₂O (n = 0, 1, 2, 3, 4, 5, 6, 7)

    Molecular Weight: 120.37 + 18n (n = 0, 1, 2, 3, 4, 5, 6, 7)

    Standard: USP / BP / CP / EP

    Appearance: White crystalline granules

    Particle Size: 2–4mm

    ---

    Specifications

    Property

    Heptahydrate (MgSO₄·7H₂O)

    Pentahydrate (MgSO₄·5H₂O)

    Trihydrate (MgSO₄·3H₂O)

    Dihydrate (MgSO₄·2H₂O)

    Monohydrate (MgSO₄·H₂O)

    Anhydrous (MgSO₄) Main Content (≥ %)

    99.5

    99

    99

    99

    99

    98 Magnesium Sulfate (≥ %)

    48.59

    56

    68

    76

    86

    98 Magnesium Oxide (≥ %)

    16.20

    19.00

    22.70

    25.30

    28.60

    32.60 Magnesium (≥ %)

    9.80

    11.31

    13.65

    15.23

    17.21

    19.60 5.0–9.2 Iron (Fe, ≤ %)

    0.0015

    0.0015

    0.0015

    0.0015

    0.0015

    0.0015 Chloride (Cl, ≤ %)

    0.014

    0.014

    0.014

    0.014

    0.014

    0.014 Heavy Metals (Pb, ≤ %)

    0.0006

    0.0006

    0.0007

    0.0007

    0.0008

    0.0008 Arsenic (As, ≤ %)

    0.0002

    0.0002

    0.0002

    0.0002

    0.0002

    0.0002 ---

    Applications

    Pharmaceuticals

    • Used in the manufacture of ointments, laxatives, analgesics, antidotes, and as an intermediate in the production of anticonvulsants and various antibiotics.

    Microbiology

    • Serves as a key component in culture media and as a magnesium supplement and nutrient source for fermentation processes in brewing and biotechnology.

    Light Industry

    • Applied in the production of fresh yeast, monosodium glutamate, beverages, mineral water, bath salts, health salts, Burton-type beer, and as a stabilizer for dicalcium phosphate in toothpaste.

    Food Additives

    • Used as a nutrient fortifier, firming agent, flavor enhancer, and processing aid.

    Chemical Manufacturing

    • Raw material for producing magnesium stearate, magnesium hydrogen phosphate, magnesium oxide, potassium sulfate, sodium sulfate, and other magnesium and sulfate salts.

    Textile and Dyeing

    • Functions as an alkali-resistant agent, weighting agent for cotton and silk, filler for kapok products, and in viscose fiber production.

    Leather

    • Used as a filler to enhance heat resistance in leather goods.

    Electroplating

    • Serves as a conductive salt in nickel plating baths to improve conductivity and softness, and as an additive for aluminum coloring processes.

    Fire Retardants

    • Used as a flame retardant in acrylate resins, epoxy resins, unsaturated polyesters, polyurethanes, and other plastics.

    Environmental Protection

    • Utilized in industrial wastewater treatment.

    Agriculture

    • A dual-nutrient fertilizer rich in magnesium and sulfur, both essential secondary nutrients for crops.

    Enhances yield and improves fruit quality by promoting chlorophyll synthesis and photosynthetic activity.

    Animal Husbandry

    • Used as a feed additive.

    Construction

    • Functions as a coagulant in cement production.

    Other Uses

    • Found in explosives, matches, ceramics, glass, pigments, paper pulp, and ABS resin manufacturing.

    ---

    Packaging & Storage

    • Packaging: 25kg/bag, 50kg/bag, or customized options available.

    • Storage: Store in a cool, dry, and well-ventilated area.

    Protect from moisture.


    Company Contact:


    • Phone: +86 18953884105

    • Address: No. 185, Haimiaohou Industrial District, Laizhou Yantai,Shandong China, Laizhou , Shandong , China

    • Email: Email


    Published date: December 9, 2025

    • Business Description: Currently,we focus on the production of 99.5% Sulfamic Acid(CAS: 5329-14-6),we are now one of the largest manufacturers of Sulfamic Acid in north China with good quality and large volume.

      Our product capacity is more than 1600 tons/month ;At present, we have approved the new factory.

      It is estimated that the new factory will be put into operation in 2-3 years, and the production capacity will be doubled compared with the current one.

      Our company has more than 47 years history of chemical manufacturing,we have top-class foundation and chemical manufacturing technology, strong techincal strength and advanced manufacturing technology.

      Based on years of accumulated experience,we have established a complete quality controlling system and market network system.

      Especially in the production of 99.5%Sulfamic Acid,our factory has developed a unique system of quality control and inspection in the production process of sulfamic acid,to ensure that each batch of goods we send to customers are qualified and stable quality.

      In terms of product packaging and delivery,we will provide you with professional loading,

      we have one team supervise uploading the materials,to check the container, the packages to make sure the goods are well packed when they reach the customer.

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